The Jerusalem Post is reporting that Israel was given intelligence from Turkey, on the targets they hit in Syria. In addition to this, it states Israel was given permission by the Turkish Army to use its airspace, while doing so. This seems to conflict with an earlier report that seemed to indicate Turkey was not too pleased about the use of their airspace.
Many theories can arise out of the ashes. But one thing people must understand is: When the parties do not address the situation directly, there's no real way of knowing what the truth is. Good intelligence also employs the effective use of smoke screens. It may very well be the case here. We just do not know.
At first, Turkey seemed taken back by all of this. Now this leaks out. Such is the cloak and dagger world, in the 21st century.